MX2014012502A - Systems and methods for implementing efficient cross-fading between compressed audio streams. - Google Patents

Systems and methods for implementing efficient cross-fading between compressed audio streams.

Info

Publication number
MX2014012502A
MX2014012502A MX2014012502A MX2014012502A MX2014012502A MX 2014012502 A MX2014012502 A MX 2014012502A MX 2014012502 A MX2014012502 A MX 2014012502A MX 2014012502 A MX2014012502 A MX 2014012502A MX 2014012502 A MX2014012502 A MX 2014012502A
Authority
MX
Mexico
Prior art keywords
cross
fade
systems
information streams
compressed
Prior art date
Application number
MX2014012502A
Other languages
Spanish (es)
Other versions
MX356952B (en
Inventor
Deepen Sinha
Raymond Lowe
Mark Kalman
Original Assignee
Sirius Xm Radio Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sirius Xm Radio Inc filed Critical Sirius Xm Radio Inc
Publication of MX2014012502A publication Critical patent/MX2014012502A/en
Publication of MX356952B publication Critical patent/MX356952B/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/02—Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information
    • H04H60/04—Studio equipment; Interconnection of studios
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/038—Cross-faders therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/38—Arrangements for distribution where lower stations, e.g. receivers, interact with the broadcast

Abstract

Systems and methods are presented for efficient cross-fading (or other multiple clip processing) of compressed domain information streams on a user or client device, such as a telephone, tablet, computer or MP3 player, or any consumer device with audio playback. Exemplary implementation systems may provide cross-fade between AAC/ Enhanced AAC Plus (EAACPIus) information streams or between MP3 information streams or even between information streams of unmatched formats (e.g. AAC to MP3 or MP3 to AAC). Furthermore, these systems are distinguished by the fact that cross- fade is directly applied to the compressed bitstreams so that a single decode operation may be performed on the resulting bitstream. Moreover, using the described methods, similar cross fade in the compressed domain between information streams utilizing other formats of compression, such as, for example, MP2, AC-3, PAC, etc. can also be advantageously implemented. Thus, in exemplary embodiments of the present invention a set of frames from each input stream associated with the time interval in which a cross fade is decoded, and combined and recoded with a cross fade or other effect now in the compressed bitstream. Once sent through the client device's decoder, the user hears the transitional effect. The only input data that is decoded and processed is that associated with the portion of each stream used in the crossfade, blend or other interstitial, and thus the vast majority of the input streams are left compressed.
MX2014012502A 2012-04-17 2013-04-17 Systems and methods for implementing efficient cross-fading between compressed audio streams. MX356952B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261687049P 2012-04-17 2012-04-17
US201261687048P 2012-04-17 2012-04-17
PCT/US2013/037034 WO2013158804A1 (en) 2012-04-17 2013-04-17 Systems and methods for implementing efficient cross-fading between compressed audio streams

Publications (2)

Publication Number Publication Date
MX2014012502A true MX2014012502A (en) 2015-04-08
MX356952B MX356952B (en) 2018-06-21

Family

ID=49384043

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2014012504A MX353259B (en) 2012-04-17 2013-04-17 Server side crossfading for progressive download media.
MX2014012502A MX356952B (en) 2012-04-17 2013-04-17 Systems and methods for implementing efficient cross-fading between compressed audio streams.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MX2014012504A MX353259B (en) 2012-04-17 2013-04-17 Server side crossfading for progressive download media.

Country Status (4)

Country Link
US (3) US9779736B2 (en)
CA (2) CA2870884C (en)
MX (2) MX353259B (en)
WO (2) WO2013158787A1 (en)

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Also Published As

Publication number Publication date
US20180025735A1 (en) 2018-01-25
CA2870865C (en) 2020-08-18
US11170791B2 (en) 2021-11-09
CA2870865A1 (en) 2013-10-24
US20150142456A1 (en) 2015-05-21
MX356952B (en) 2018-06-21
US9779736B2 (en) 2017-10-03
WO2013158787A9 (en) 2013-12-19
US20200202871A1 (en) 2020-06-25
CA2870884A1 (en) 2013-10-24
CA2870884C (en) 2022-06-21
WO2013158787A1 (en) 2013-10-24
WO2013158804A1 (en) 2013-10-24
US10366694B2 (en) 2019-07-30
MX2014012504A (en) 2015-04-08
MX353259B (en) 2018-01-08

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